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Observed 2:10 AM CDT at KSUX

Sioux City, IA weather

Clear and 63°17°, 12°7° warmer than a typical Oct 24, jacket by 9 PM.

Today: low 61°16° (likely 51°11° to 61°16°), high 70°21° (likely 67°19° to 73°23°).

Forecasts differ

Now 63°17°

Clear

Wind
14 mph22 km/h
From the south-southeast. 1016–15 mph24 km/h through 2 PM
Dew point
48°9°
Comfortable
UV index
0Low
Moderate 12–5 PM · peak 4
Air quality
55Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.06 inHg1018 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (63°17° then, 64°18° now)

Good hours for
  • Dry until tonight 10 PM
  • High 69°21° today at noon
  • Below 60°16° tonight after 7 PM
  • Rain tonight 10 PM–1 AM (40%)
  • Rain tomorrow night from 1 AM (60%, 0.13 in3.3 mm)
  1. TonightNear 63°17° · rain chance 10% · Clear
  2. This morningUp to 68°20° by 11 AM · rain chance 10% · Partly cloudy
  3. This afternoonDown to 62°17° by 5 PM · rain chance 20% · Cloudy
  4. TonightDown to 50°10° by 5 AM · Rain 10 PM–1 AM (40%)
  5. Tomorrow morningUp to 57°14° by 11 AM · rain chance 20% · Mostly cloudy
  6. Tomorrow afternoonUp to 65°18° by 5 PM · Mostly cloudy
  7. Tomorrow nightDown to 50°10° by 1 AM · Rain 1–2 AM (60%)
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 2aClear64°18° (likely 63°17° to 67°19°)64°18°5%15 mph24 km/h from S, gusts 23 mph37 km/h56%18%0
Sat 3aClear63°17° (likely 62°17° to 67°19°)63°17°5%15 mph24 km/h from SSE, gusts 22 mph36 km/h58%21%0
Sat 4aClear63°17° (likely 61°16° to 66°19°)63°17°10%15 mph24 km/h from S, gusts 22 mph35 km/h58%25%0
Sat 5aClear62°17° (likely 61°16° to 66°19°)62°17°10%10 mph16 km/h from S, gusts 21 mph34 km/h60%16%0
Sat 6aClear62°17° (likely 60°16° to 65°18°)62°17°10%10 mph16 km/h from S, gusts 18 mph28 km/h60%21%0
Sat 7aClear61°16° (likely 59°15° to 65°18°)61°16°10%10 mph16 km/h from S, gusts 16 mph26 km/h62%15%0
Sat 8aMostly cloudy61°16° (likely 59°15° to 64°18°)61°16°10%10 mph16 km/h from S, gusts 15 mph25 km/h62%41%0
Sat 9aMostly cloudy63°17° (likely 60°16° to 65°18°)63°17°10%10 mph16 km/h from S, gusts 15 mph24 km/h60%54%0
Sat 10aMostly cloudy66°19° (likely 64°18° to 69°21°)66°19°10%10 mph16 km/h from SSW, gusts 20 mph32 km/h58%62%1
Sat 11aCloudy68°20° (likely 65°18° to 72°22°)68°20°10%10 mph16 km/h from SW, gusts 22 mph35 km/h57%95%1
Sat 12pCloudy69°21° (likely 63°17° to 72°22°)69°21°20%10 mph16 km/h from W, gusts 20 mph32 km/h57%83%3
Sat 1pCloudy69°21° (likely 64°18° to 69°21°)69°21°10%, 0.01 in0.3 mm10 mph16 km/h from NW, gusts 20 mph33 km/h55%99%4
Sat 2pCloudy66°19° (likely 61°16° to 66°19°)66°19°10%, 0.01 in0.3 mm10 mph16 km/h from NW, gusts 22 mph35 km/h56%98%4
Sat 3pCloudy64°18° (likely 59°15° to 65°18°)64°18°10%, 0.01 in0.3 mm15 mph24 km/h from NW, gusts 23 mph36 km/h58%95%3
Sat 4pCloudy63°17° (likely 58°14° to 63°17°)63°17°20%, 0.01 in0.3 mm15 mph24 km/h from NW, gusts 21 mph34 km/h56%95%3
Sat 5pCloudy62°17° (likely 57°14° to 62°17°)62°17°20%, 0.01 in0.3 mm10 mph16 km/h from NNW, gusts 19 mph30 km/h56%95%1
Sat 6pCloudy60°16° (likely 55°13° to 60°16°)60°16°20%, 0.01 in0.3 mm10 mph16 km/h from NNW, gusts 20 mph31 km/h60%97%0
Sat 7pCloudy58°14° (likely 53°12° to 58°14°)58°14°20%, 0.01 in0.3 mm10 mph16 km/h from NNW, gusts 20 mph32 km/h64%99%0
Sat 8pCloudy56°13° (likely 53°12° to 57°14°)56°13°30%, 0.01 in0.3 mm10 mph16 km/h from NNW, gusts 20 mph33 km/h66%94%0
Sat 9pCloudy55°13° (likely 52°11° to 56°13°)55°13°30%, 0.01 in0.3 mm5 mph8 km/h from NNW, gusts 19 mph31 km/h72%87%0
Sat 10pCloudy54°12° (likely 52°11° to 55°13°)54°12°40%, 0.01 in0.3 mm5 mph8 km/h from NNW, gusts 17 mph27 km/h74%81%0
Sat 11pShowers54°12° (likely 51°11° to 54°12°)54°12°40%, 0.01 in0.3 mm5 mph8 km/h from N, gusts 17 mph27 km/h74%80%0
Sun 12aCloudy53°12° (likely 51°11° to 53°12°)53°12°40%, 0.01 in0.3 mm5 mph8 km/h from N, gusts 16 mph26 km/h77%84%0
Sun 1aCloudy52°11° (likely 50°10° to 53°12°)52°11°30%5 mph8 km/h from N, gusts 16 mph25 km/h80%83%0
Sun 2aCloudy52°11° (likely 50°10° to 52°11°)52°11°30%5 mph8 km/h from NNE, gusts 14 mph23 km/h83%79%0
Sun 3aDrizzle52°11° (likely 50°10° to 52°11°)52°11°40%5 mph8 km/h from NNE, gusts 14 mph22 km/h80%77%0
Sun 4aCloudy51°11° (likely 49°9° to 51°11°)51°11°30%5 mph8 km/h from NNE, gusts 15 mph23 km/h83%81%0
Sun 5aCloudy50°10° (likely 48°9° to 51°11°)48°9°20%5 mph8 km/h from NNE, gusts 15 mph25 km/h86%90%0
Sun 6aPartly cloudy50°10° (likely 48°9° to 51°11°)48°9°20%5 mph8 km/h from NNE, gusts 15 mph24 km/h83%72%0
Sun 7aPartly cloudy50°10° (likely 48°9° to 51°11°)48°9°10%5 mph8 km/h from NNE, gusts 15 mph24 km/h80%57%0
Sun 8aCloudy49°9° (likely 48°9° to 51°11°)47°8°10%5 mph8 km/h from NNE, gusts 16 mph25 km/h83%77%0
Sun 9aCloudy50°10° (likely 49°9° to 52°11°)48°9°0%5 mph8 km/h from NE, gusts 17 mph27 km/h83%77%0
Sun 10aCloudy55°13° (likely 50°10° to 55°13°)55°13°0%5 mph8 km/h from NE, gusts 18 mph28 km/h72%78%1
Sun 11aCloudy57°14° (likely 50°10° to 58°14°)57°14°0%5 mph8 km/h from ENE, gusts 16 mph26 km/h67%79%2
Sun 12pCloudy60°16° (likely 52°11° to 62°17°)60°16°0%5 mph8 km/h from ENE, gusts 15 mph25 km/h62%79%3
Sun 1pCloudy61°16° (likely 53°12° to 65°18°)61°16°0%5 mph8 km/h from NE, gusts 15 mph24 km/h58%79%4
Sun 2pCloudy63°17° (likely 53°12° to 67°19°)63°17°0%5 mph8 km/h from NE, gusts 16 mph26 km/h54%75%4
Sun 3pPartly sunny64°18° (likely 52°11° to 69°21°)64°18°0%5 mph8 km/h from NE, gusts 18 mph29 km/h52%84%4
Sun 4pCloudy64°18° (likely 52°11° to 69°21°)64°18°0%10 mph16 km/h from NE, gusts 18 mph29 km/h52%76%3
Sun 5pCloudy65°18° (likely 53°12° to 68°20°)65°18°0%10 mph16 km/h from NE, gusts 16 mph26 km/h50%74%1
Sun 6pCloudy63°17° (likely 52°11° to 66°19°)63°17°0%10 mph16 km/h from NE, gusts 15 mph25 km/h52%82%1
Sun 7pCloudy60°16° (likely 50°10° to 63°17°)60°16°20%10 mph16 km/h from NE, gusts 17 mph27 km/h53%86%0
Sun 8pCloudy59°15° (likely 54°12° to 64°18°)59°15°20%10 mph16 km/h from NE, gusts 16 mph25 km/h55%85%0
Sun 9pCloudy56°13° (likely 53°12° to 63°17°)56°13°20%10 mph16 km/h from NE, gusts 19 mph30 km/h62%86%0
Sun 10pShowers53°12° (likely 52°11° to 61°16°)53°12°20%10 mph16 km/h from NE, gusts 20 mph32 km/h66%89%0
Sun 11pShowers51°11° (likely 51°11° to 59°15°)51°11°20%10 mph16 km/h from NE, gusts 21 mph34 km/h68%94%0
Mon 12aCloudy51°11° (likely 50°10° to 58°14°)51°11°20%10 mph16 km/h from NE, gusts 21 mph33 km/h68%91%0
Mon 1aShowers50°10° (likely 49°9° to 57°14°)47°8°60%, 0.13 in3.3 mm10 mph16 km/h from NE, gusts 19 mph31 km/h71%89%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly cloudy. High 70°21°, low 61°16°. Typical 58°14° / 34°1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly cloudy, 61°16°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Showers, 56°13°

      40% chance · 0.06 in1.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 50°10°

      40% chance · 0.01 in0.3 mm

    Official NWS forecast

    Today: A slight chance of rain showers after noon. Partly sunny. High near 70, with temperatures falling to around 62 in the afternoon. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: Mostly cloudy, with a low around 61. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    67°19°–73°23°
    Low, likely
    51°11°–61°16°
    Typical high / low
    58°14° / 34°1°
    Wind
    16 mph26 km/h, gusts 28 mph44 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Mostly cloudy. High 65°18°, low 45°7°. Typical 58°14° / 34°1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Showers, 59°15°

      20% chance

    4. Overnight

      midnight–6 AM

      Showers, 50°10°

      60% chance · 0.2 in5 mm

    Official NWS forecast

    Day: A slight chance of rain showers before 7am. Partly sunny, with a high near 65. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Night: Rain showers likely after 7pm. Cloudy, with a low around 45. Northeast wind around 10 mph. Chance of precipitation is 60%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–69°21°
    Low, likely
    45°7°–51°11°
    Typical high / low
    58°14° / 34°1°
    Wind
    14 mph22 km/h, gusts 25 mph40 km/h
    UV peak
    4
  3. Monday, Oct 26. Showers. High 61°16°, low 46°8°. Typical 57°14° / 34°1°. Rain 0.18 in4.6 mm, 70% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 50°10°

      50% chance · 0.05 in1.3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 67°19°

      40% chance

    3. Evening

      6 PM–midnight

      Drizzle, 62°17°

      50% chance · 0.03 in0.7 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 52°11°

      40% chance · 0.01 in0.4 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain showers likely. Cloudy, with a high near 61. East wind around 10 mph. Chance of precipitation is 70%.

    Night: Rain showers likely. Cloudy, with a low around 46. Chance of precipitation is 70%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    61°16°–71°22°
    Low, likely
    46°8°–52°11°
    Typical high / low
    57°14° / 34°1°
    Wind
    14 mph22 km/h, gusts 29 mph47 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Showers. High 63°17°, low 48°9°. Typical 57°14° / 33°1°. Rain 0.06 in1.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 63°17°

      30% chance · 0.09 in2.4 mm

    4. Overnight

      midnight–6 AM

      Cloudy, 56°13°

      40% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers before 1pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    Night: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    63°17°–68°20°
    Low, likely
    47°8°–50°10°
    Typical high / low
    57°14° / 33°1°
    Wind
    17 mph27 km/h, gusts 36 mph57 km/h
    UV peak
    2
  5. Wednesday, Oct 28. Showers. High 66°19°, low 42°6°. Typical 56°13° / 33°1°. Rain 0.11 in2.8 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 54°12°

      20% chance

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers before 1pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

    Night: A slight chance of rain showers between 7pm and 1am. Mostly clear, with a low around 42.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    65°18°–71°22°
    Low, likely
    42°6°–56°13°
    Typical high / low
    56°13° / 33°1°
    Wind
    15 mph23 km/h, gusts 34 mph55 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 66°19°, low 48°9°. Typical 56°13° / 32°0°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 56°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 58°14°

      20% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 66.

    Night: A chance of rain showers. Partly cloudy, with a low around 48. Chance of precipitation is 30%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    65°18°–74°23°
    Low, likely
    46°8°–59°15°
    Typical high / low
    56°13° / 32°0°
    Wind
    12 mph19 km/h, gusts 28 mph44 km/h
    UV peak
    2
  7. Friday, Oct 30. Showers. High 65°18°, low 58°14°. Typical 55°13° / 32°0°. Rain 0.31 in7.9 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 59°15°

      30% chance · 0.12 in3.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 69°20°

      30% chance · 0.04 in1 mm

    3. Evening

      6 PM–midnight

      Rain, 67°19°

      30% chance · 0.15 in3.8 mm

    4. Overnight

      midnight–6 AM

      Rain, 63°17°

      40% chance · 0.05 in1.2 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    63°17°–74°23°
    Low, likely
    52°11°–62°17°
    Typical high / low
    55°13° / 32°0°
    Wind
    16 mph25 km/h, gusts 29 mph46 km/h
    UV peak
    1
  8. Saturday, Oct 31. Rain. High 67°19°, low 60°16°. Typical 55°13° / 31°−1°. Rain 0.15 in3.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 63°17°

      40% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 69°21°

      40% chance

    3. Evening

      6 PM–midnight

      Mostly clear, 65°19°

      40% chance

    4. Overnight

      midnight–6 AM

      Mostly clear, 58°15°

      30% chance · 0.1 in2.5 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    62°17°–74°23°
    Low, likely
    51°11°–67°19°
    Typical high / low
    55°13° / 31°−1°
    Wind
    17 mph27 km/h, gusts 33 mph53 km/h
    UV peak
    2
  9. Sunday, Nov 1. Cloudy. High 65°18°, low 47°8°. Typical 54°12° / 31°−1°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 57°14°

      20% chance · 0.1 in2.4 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 57°14°

      20% chance · 0.05 in1.2 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 47°8°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–71°22°
    Low, likely
    42°6°–53°12°
    Typical high / low
    54°12° / 31°−1°
    Wind
    19 mph31 km/h, gusts 42 mph68 km/h
    UV peak
    3
  10. Monday, Nov 2. Showers. High 56°13°, low 43°6°. Typical 54°12° / 30°−1°. Rain 0.28 in7.1 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 48°9°

      20% chance · 0.06 in1.4 mm

    3. Evening

      6 PM–midnight

      Snow, 45°7°

      20% chance · 0.03 in0.6 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    50°10°–59°15°
    Low, likely
    42°6°–44°7°
    Typical high / low
    54°12° / 30°−1°
    Wind
    24 mph39 km/h, gusts 36 mph58 km/h

The outlook

  1. Today

    Dry, high 70°, low 61°.

  2. Tomorrow

    Dry, high 65°, low 45°, cooling off.

  3. Monday

    68% chance of rain, high 61°, low 46°, cooling off.

  4. Rest of week

    Highs 56–67°; chance of precipitation on Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (FSD) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Missouri River at Sioux City

1.4 mi
Below flood stage
Level
10.5 ft
Flow
25,900 cfs

Forecast peak 10.5 ft Sat 7 AM

Reading from Sat 1 AM · NWS gauge page

Perry Creek at Sioux City

2.9 mi
Below flood stage
Level
6.5 ft
Flow
8 cfs

Reading from Sat 1 AM · NWS gauge page

Big Sioux River at Sioux City

5.0 mi
Below flood stage
Level
9.8 ft
Flow
758 cfs

Reading from Sat 12:30 AM · NWS gauge page

Floyd River at James

6.9 mi
Below flood stage
Level
8.6 ft
Flow
236 cfs

Reading from Sat 1 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 90% less heating than a typical week.

This week 14Typical 141

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 3:00 AM–12:00 PM

Good stretch to open the windows.

Is this typical?

Sioux City Airport · official normals 1991–2020 · records 1889–2026

Oct 24, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Normal high / low
58°14° / 34°1°
Forecast high / low
70°21° / 61°16°
Record high
82°28° in 1952
Record low
15°−9° in 2020

Last 7 days vs normal

On average 11°6° warmer than normal (daily mean temperature).

  1. +8°+4°SunOct 18
  2. +6°+3°MonOct 19
  3. +9°+5°TueOct 20
  4. +15°+8°WedOct 21
  5. +18°+10°ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Sioux City weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:49 AM, sunset 6:29 PM.

Daylight
10 h 40 min
Losing 2 min 44 s a day; shortest Dec 21, 1 h 36 min less
Golden hour
5:50–6:47 PM
Morning 7:31–8:28 AM
Blue hour
6:47–6:58 PM
Morning 7:20–7:31 AM; first light 7:20 AM

Stars tonight? Good

Mostly clear 5–7:20 AM; moon 96% lit, sets 6:03 AM.

Moon

Waxing gibbous

96% lit · growing

Today
sets 6:03 AM · rises 5:28 PM
Full moon
Oct 25
New moon
Nov 9
Looking northwest from Sioux City.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.